package com.zzj.dao;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.zzj.bean.CityBean;

import java.util.List;

public interface CityMapper extends BaseMapper<CityBean> {


    /**通过省id 获得对应的所有市
     * @param pid
     * @return
     */
    List<CityBean> getCityByPid(Integer pid);


}
